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Annelise Genoux, Laeticia Lichtenstein, Jean Ferrières, Thibaut Duparc, Vanina Bongard, Paul-Louis Vervueren, Guillaume Combes, Dorota Taraszkiewicz, Meyer Elbaz, Michel Galinier, Bertrand Nassar, Jean-Bernard Ruidavets, Bertrand Perret, Laurent O Martinez
BACKGROUND: Epidemiological and observational studies have established that high-density lipoprotein cholesterol (HDL-C) is an independent negative cardiovascular risk factor. However, simple measurement of HDL-C levels is no longer sufficient for cardiovascular risk assessment. Therefore, there is a critical need for novel non-invasive biomarkers that would display prognostic superiority over HDL-C. Cell surface ecto-F1-ATPase contributes to several athero-protective properties of HDL, including reverse cholesterol transport and vascular endothelial protection...
August 23, 2016: BMC Medicine
Nicolas Bacaër
The stochastic SIS epidemic model in a random environment. In a random environment that is a two-state continuous-time Markov chain, the mean time to extinction of the stochastic SIS epidemic model grows in the supercritical case exponentially with respect to the population size if the two states are favorable, and like a power law if one state is favorable while the other is unfavorable.
October 2016: Journal of Mathematical Biology
Gary R McCoy, Nicolas Touzet, Gerard T A Fleming, Robin Raine
The toxic microalgal species Prymnesium parvum and Prymnesium polylepis are responsible for numerous fish kills causing economic stress on the aquaculture industry and, through the consumption of contaminated shellfish, can potentially impact on human health. Monitoring of toxic phytoplankton is traditionally carried out by light microscopy. However, molecular methods of identification and quantification are becoming more common place. This study documents the optimisation of the novel Microarrays for the Detection of Toxic Algae (MIDTAL) microarray from its initial stages to the final commercial version now available from Microbia Environnement (France)...
July 2015: Environmental Science and Pollution Research International
G Le Pape, J M Lassalle
Des enregistrements continus d'activité locomotrice ont été effectués sur des souris mâles isolées des lignées Balb/c et C57bl/6, vivant en cages d'élevage ou en milieu semi- naturel. Les résultats montrent que les différences entre ces deux situations ne sont pas perçues de la même façon par les animaux des deux lign'ees: alors qu'en cages d'élevage les souris des deux lignées experiment la même quantité totale d'activaté, en milieu semi-naturel les souris Balb/c sont plus actives que les C57bl/6...
October 1979: Behavioural Processes
C Charlier, G Plomteux
Xenoestrogens such organochlorine pesticides are known to induce changes in reproductive development, function or behaviour in wildlife. Because these compounds are able to modify the estrogens metabolism, or to compete with estradiol for binding to the estrogen receptor, it may be possible that these products affect the risk of developing impaired fertility, precocious puberty or some kinds of cancer in man. Le plus ancien récit de lutte contre la pollution remonte à une légende indienne racontant que la divinité Sing-bonga était incommodée par les émanations des fours dans lesquels les Asuras fondaient leurs métaux (1)...
2002: Acta Clinica Belgica
Béatrice Godard, Matthew Hunt, Zéphirin Moube
La recherche en santé mondiale s'inscrit dans une volonté de mobiliser des connaissances au service d'interventions et de politiques publiques pour l'atteinte équitable du bien-être commun, notamment en matière de santé. Elle joue un rôle primordial en ce sens, en favorisant l'implication des communautés et leur autonomisation et de nombreuses lignes directrices supportent un tel partenariat. Néanmoins, certains enjeux éthiques sont liés au financement de la recherche, aux environnements de recherche, à la priorisation des problématiques de recherche, aux mécanismes d'évaluation éthique posent souvent un problème de justice sociale au niveau de la redistribution des ressources et de la reconnaissance des différences culturelles...
March 4, 2014: Global Health Promotion
Norah Keating, Jacquie Eales, Judith E Phillips
The literature on age-friendly communities is predominantly focused on a model of urban aging, thereby failing to reflect the diversity of rural communities. In this article, we address that gap by focusing on the concept of community in a rural context and asking what makes a good fi t between older people and their environment. We do this through (a) autobiographical and biographical accounts of two very different geographical living environments: bucolic and bypassed communities; and through (b) analysis of the different needs and resources of two groups of people: marginalized and community-active older adults, who live in those two different rural communities...
December 2013: Canadian Journal on Aging, la Revue Canadienne du Vieillissement
B Barillon, S Martin Ruel, C Langlais, V Lazarova
Energy consumption remains the key factor for the optimisation of the performance of membrane bioreactors (MBRs). This paper presents the results of the detailed energy audits of six full-scale MBRs operated by Suez Environnement in France, Spain and the USA based on on-site energy measurement and analysis of plant operation parameters and treatment performance. Specific energy consumption is compared for two different MBR configurations (flat sheet and hollow fibre membranes) and for plants with different design, loads and operation parameters...
2013: Water Science and Technology: a Journal of the International Association on Water Pollution Research
Bo-Hui Tang, Hua- Wu, Zhao-Liang Li, Françoise Nerry
This work addressed the validation of the MODIS-derived bidirectional reflectivity retrieval algorithm in mid-infrared (MIR) channel, proposed by Tang and Li [Int. J. Remote Sens. 29, 4907 (2008)], with ground-measured data, which were collected from a field campaign that took place in June 2004 at the ONERA (Office National d'Etudes et de Recherches Aérospatiales) center of Fauga-Mauzac, on the PIRRENE (Programme Interdisciplinaire de Recherche sur la Radiométrie en Environnement Extérieur) experiment site [Opt...
July 30, 2012: Optics Express
Vladimir Gajić
INTRODUCTION: Gaia is the Anglo-Saxon term for the Hellenic term Gea or Ge, which means Earth. The GAIA hypothesis was launched almost 40 years ago by the famous chemist James Lovelock, who was engaged by the National Aeronautics and Space Administration (NASA) to create a sensitive instrument for searching forms of extraterrestrial life on other planets. Then he published the book The ages of GAIA, which perturbed the world's scientific public of those days. Lovelock struck upon this idea in the late sixties of the past century, during the space race with Russians, when he was hired hy the National Aeronautics and Space Administration to conduct a series of experiments to find and explore life forms on the planet Mars...
November 2011: Medicinski Pregled
Alessandra Roncarati, Juan A Pérez, Marcella Ravenna, Esperanza Navarro-Pertusa
In this paper, we develop the theory of ontologization: Social representations that prevent members of minority and majority groups who are living in contact with each other to mingle. The process of ontologization consists of separating some humans from their own species, and anchoring them in another environment, that of an animal, for example. We propose that underlying the famous slogan "equal but separate" is the social representation of interracial mixing as a "counter-nature" phenomenon. It is predicted that a sexual relationship between people of different "races" leads to a greater degree of ontologization, and, as such, this miscegenation will be explained in terms of biologistic thinking, like an instinctive nature or atavistic animal impulse...
February 2009: International Journal of Psychology: Journal International de Psychologie
Louiza Zenkhri, Nathalie Audebrand, Thierry Bataille
The title compound, {(C(2)H(10)N(2))(1.5)[Y(C(4)O(4))(3)(H(2)O)(4)]}(n) {system-atic name: catena-poly[sesqui(ethyl-enediammonium) [[tetra-aquabis-(squarato-κO)yttrium(III)]-μ-squarato-κ(2)O:O']]}, was synthesized by slow evaporation of an acid solution. The asymetric unit contains one yttrium cation in an anti-prismatic environnement, three squarate groups, one and a half protonated ethyl-enediamine mol-ecules and four water mol-ecules. YO(8) polyhedra are connected through bis-(mono-dentate) squarates, leading to infinite zigzag chains, in between which are located ammonium groups...
May 1, 2011: Acta Crystallographica. Section E, Structure Reports Online
Anaïs Detournay, Stéphane Sauvage, Nadine Locoge, Vincent Gaudion, Thierry Leonardis, Isabelle Fronval, Pascal Kaluzny, Jean-Claude Galloo
Studies have shown that biogenic compounds, long chain secondary compounds and long lifetime anthropogenic compounds are involved in the formation of organic aerosols in both polluted areas and remote places. This work aims at developing an active sampling method to monitor these compounds (i.e. 6 straight-chain saturated aldehydes from C6 to C11; 8 straight-chain alkanes from C9 to C16; 6 monoterpenes: α-pinene, β-pinene, camphene, limonene, α-terpinene, & γ-terpinene; and 5 aromatic compounds: toluene, ethylbenzene, meta-, para- and ortho-xylenes) in remote areas...
April 2011: Journal of Environmental Monitoring: JEM
H Humbert, C Machinal, Ivan Labaye, J C Schrotter
The determination of the virus retention capabilities of UF units during operation is essential for the operators of drinking water treatment facilities in order to guarantee an efficient and stable removal of viruses through time. In previous studies, an effective method (MS2-phage challenge tests) was developed by the Water Research Center of Veolia Environnement for the measurement of the virus retention rates (Log Removal Rate, LRV) of commercially available hollow fiber membranes at lab scale. In the present work, the protocol for monitoring membrane performance was transferred from lab scale to pilot scale...
2011: Water Science and Technology: a Journal of the International Association on Water Pollution Research
Alain Garrigou, Isabelle Baldi, Patricia Le Frious, Rémy Anselm, Martine Vallier
The purpose of this article is to present the contribution of a trans-disciplinary approach focused on ergonomics and chemical risk control. We shall more precisely discuss how such an approach carried out in the field of agricultural work has made it possible to highlight serious shortcomings in the effectiveness of the coveralls that are supposed to protect vineyard workers from pesticides. The study results, as well as the whistle-blow that followed have questioned the control and prevention measures used until then...
January 2011: Applied Ergonomics
F Abda, A Azbaid, D Ensminger, S Fischer, P François, P Schmitt, A Pallarès
In the frame of a technological research and innovation network in water and environment technologies (RITEAU, Réseau de Recherche et d'Innovation Technologique Eau et Environnement), our research group, in collaboration with industrial partners and other research institutions, has been in charge of the development of a suitable flowmeter: an ultrasonic device measuring simultaneously the water flow and the concentration of size classes of suspended particles. Working on the pulsed ultrasound principle, our multi-frequency device (1 to 14 MHz) allows flow velocity and water height measurement and estimation of suspended solids concentration...
2009: Water Science and Technology: a Journal of the International Association on Water Pollution Research
François Frindel
Each patient is unique; and unique is one's smile. The subtle mixture of a set of physical data, but also psychological and emotional, related to his (her) history, his (her) culture and his (her) environment will allow to lay out the elements of each one in order to achieve an individual specimen which cannot be reproduced. The author suggests a simple clinical and therapeutic orthodontic method with the purpose of positioning one's smile in an aesthetic, balanced, harmonious, engaging and non ageing way in the face, after a brief reminder of his method of individual analysis proportioned appreciation of positioning in 16 keys...
September 2008: L' Orthodontie Française
J-Y Diquelou, P Amar, S Boyer, F Montilla, R Karoubi
This study is performed on a population of pregnant women during the second trimester of their pregnancy. The aim of this study is to demonstrate that clinical symptoms noticeable by the obstétricians during their consultations. Eight hundred and fifty-three patients have been involved in this study by responding to an anonymous questionnary. Hundred and seventy-five patients(groupI) have been abuse either physically or psychologically or sexually. The study shows that there is a strong difference between the groupI and the group without abuse in their medical past history (678 patients) about the occurracy of several disorders...
June 2008: Journal de Gynécologie, Obstétrique et Biologie de la Reproduction
N Deslongchamps
The Atelier de la Petite Rouge Inc. is a resource established in a rural zone of the Ouataouais region in 1980. Up until July 1981, thanks to temporary subsidiaries, it offered services to sixty old people living to eight foster homes. These foster families are attached to the Pierre Janet psychiatric hospital centre in Hull and take people with mental health problems. The objective of the workshop is to encourage social réintégration of these people into their new milieu. The workshop is currently negociating a permanent funding with the Ministry of Social Affairs, as well as an independent status in order to preserve its non-institutional character...
1981: Santé Mentale Au Québec
L A Bouillard, M J Devleeschouwer, O Michel
In several occupational settings, endotoxin, a characteristic external fraction from the outer membrane of Gram negative bacteria (GNB), is an important component of the environmental endotoxin exposure may have a dual influence on atopy and asthma. The aim of this study was to characterise the bacterial and endotoxin composition of settled and airborne dusts from domestic environments. In the nine studied homes, 52 species of GNB were identified on settled dusts and only 13 in the airborne dust. Bacterial levels ranged from 2...
2006: Journal de Pharmacie de Belgique
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